code: def dist_test_data(self):
      data = [
          dict(
              point_a=gs.array([0.5, 0.5]),
              point_b=gs.array([0.5, -0.5]),
              expected=gs.array(2.887270927429199),
          ),
          dict(
              point_a=gs.array([0.1, 0.2]),
              point_b=gs.array([[0.3, 0.4], [0.5, 0.5]]),
              expected=gs.array([0.65821943, 1.34682524]),
          ),
          dict(
              point_a=gs.array([0.3, 0.4]),
              point_b=gs.array([0.5, 0.5]),
              expected=gs.array(0.71497076),
          ),
      ]
      return self.generate_tests(data)
  
file_path: geomstats/tests/tests_geomstats/test_geometry/data/poincare_ball.py
imports: import geomstats.backend
  from geomstats.test.data import TestData
  from .base import VectorSpaceOpenSetTestData
  from .riemannian_metric import RiemannianMetricTestData
label_desc: Use image node_id 2 for calling the PoincareBall2MetricTestData obj's underlying member method code with example usage: obj.dist_test_data() and returns: self